<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html lang="en">
<head>
	<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
	<title>数组对象</title>
	<script type="text/javascript">
	var arr = [1,56,23,6,43,87,3,5,55];
 	var arr1 = [67,45,78,89];
	var  newArr = arr.concat(arr,arr1);

	// alert(arr);

	alert(new);


	</script>
</head>
<body>
	
</body>
</html>